Tank for water closet



FIG. 1 is a left, top, front perspective view of a tank for water closet embodying our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image of the left side shown;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a rear elevational view thereof.

The broken line representations of holes in FIGS. 1 and 5 are for purposes of illustration only, and form no part of the claimed design. 

The ornamental design for a tank for water closet, as shown and described. 